package com.alipay.service;

import com.alipay.common.Message;
import com.alipay.common.PayParam;
import com.alipay.common.RefundParam;

public interface AlipayService {
	/***
	 * 支付
	 * @param param
	 * @return
	 */
	public Message pay(PayParam param);
	
	/**
	 * 退款
	 * @param param
	 * @return
	 */
	public Message refund(RefundParam param);
	
	/**
	 * 签约   退款签约
	 * @return <签约Html>
	 */
	public String refundSignAlipay();
}
